#ifndef ROOT_GParticle
#define ROOT_GParticle
 
#ifndef ROOT_TObject
#include "TObject.h"
#endif
 
class GParticle : public TObject {
 
private:
 
   Int_t    fKS;            // status of particle       ( LUJETS K[1] )
   Int_t    fKF;            // KF flavour code          ( LUJETS K[2] )
   Int_t    fParent;        // parent id                ( LUJETS K[3] )
   Int_t    fFirstChild;    // id of first child        ( LUJETS K[4] )
   Int_t    fLastChild;     // id of last  child        ( LUJETS K[5] )
 
   Float_t  fPx;            // X momenta [GeV/c]        ( LUJETS P[1] )
   Float_t  fPy;            // Y momenta [GeV/c]        ( LUJETS P[2] )
   Float_t  fPz;            // Z momenta [GeV/c]        ( LUJETS P[3] )
   Float_t  fEnergy;        // Energy    [GeV]          ( LUJETS P[4] )
   Float_t  fMass;          // Mass      [Gev/c^2]      ( LUJETS P[5] )
 
   Float_t  fVx;            // X vertex  [mm]           ( LUJETS V[1] )
   Float_t  fVy;            // Y vertex  [mm]           ( LUJETS V[2] )
   Float_t  fVz;            // Z vertex  [mm]           ( LUJETS V[3] )
   Float_t  fTime;          // time of procuction [mm/c]( LUJETS V[4] )
   Float_t  fLifetime;      // proper lifetime [mm/c]   ( LUJETS V[5] )
 
public:
            GParticle() { }
 
            GParticle(Int_t kS, Int_t kF, Int_t parent,
                      Int_t firstchild, Int_t lastchild,
                      Float_t px, Float_t py, Float_t pz,
                      Float_t energy, Float_t mass,
                      Float_t vx, Float_t vy, Float_t vz,
                      Float_t time, Float_t lifetime) :
 
               fKS(kS),
               fKF(kF),
               fParent(parent),
               fFirstChild(firstchild),
               fLastChild(lastchild),
               fPx(px),
               fPy(py),
               fPz(pz),
               fEnergy(energy),
               fMass(mass),
               fVx(vx),
               fVy(vy),
               fVz(vz),
               fTime(time),
               fLifetime(lifetime) { }
 
   virtual             ~GParticle() { }
 
   Int_t       GetKS() const {return fKS;}
   Int_t       GetKF() const {return fKF;}
   Int_t       GetParent() const {return fParent;}
   Int_t       GetFirstChild() const {return fFirstChild;}
   Int_t       GetLastChild() const {return fLastChild;}
 
   Float_t     GetPx() const {return fPx;}
   Float_t     GetPy() const {return fPy;}
   Float_t     GetPz() const {return fPz;}
   Float_t     GetEnergy() const {return fEnergy;}
   Float_t     GetMass() const {return fMass;}
 
   Float_t     GetVx() const {return fVx;}
   Float_t     GetVy() const {return fVy;}
   Float_t     GetVz() const {return fVz;}
   Float_t     GetTime() const {return fTime;}
   Float_t     GetLifetime() const {return fLifetime;}
   virtual const Text_t     *GetName() const;
 
   ClassDef(GParticle,1)  // LUJETS particles data record.
};
 
#endif